| Name | Meaning | Gender | Origin |
|---|
| Mutley | | Unisex | Hebrew |
| Nana | Grace | Unisex | Hebrew |
| Nepeta | | Unisex | Hebrew |
| Neptune | God of the sea | Unisex | Latin |
| Newt | New settlement, new enclosure | Unisex | English |
| Nibbles | | Unisex | Hebrew |
| Nicky | Victory of the people | Unisex | Greek |
| Ninja | | Unisex | Hebrew |
| Nipper | A small boy | Unisex | English |
| Noelle | Day of birth | Unisex | Latin |
| Nutmeg | | Unisex | Hebrew |
| Oberon | Noble bear | Unisex | German |
| Obsidian | | Unisex | Hebrew |
| Odie | Woad hill | Unisex | English |
| Onyx | A gemstone with bands of different colours. | Unisex | English |
| Oreo | American cookie brand consisting of two chocolate wafers with white cream filling. | Unisex | English |
| Osiris | Uncertain, perhaps throne of the eye | Unisex | Ancient Egyptian |
| Pacey | Paccius' place | Unisex | French |
| Panda | A bear like Chinese mammal, with distinct black and white markings | Unisex | English |
| Panther | A black leopard | Unisex | English |
| Pasha | Passover | Unisex | Greek |
| Pat | Patrician | Unisex | Latin |
| Patches | | Unisex | Hebrew |
| Peaches | Red, yellow skinned fleshy fruit | Unisex | English |
| Peanut | Edible nuts eaten raw or roasted. | Unisex | English |
| Pegasus | Myth Name (Winged Horse) | Unisex | English |
| Pepsi | Brand of cola soft drink. | Unisex | English |
| Petal | A section of a flower | Unisex | English |
| Peyton | Settlement of PÅ“ga | Unisex | English |
| Picasso | | Unisex | Hebrew |